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  1. JDK
  2. JDK-8138966

Intermittent SEGV running ParallelGC

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: 9
    • Fix Version/s: 9
    • Component/s: hotspot
    • Labels:
    • Environment:

      Partner X aarch64 hardware

    • Subcomponent:
      gc
    • Resolved In Build:
      b94
    • CPU:
      aarch64
    • OS:
      linux

      Backports

        Description

        We are seeing intermittent SEGVs running specjbb2013 with both aarch64 jdk8 port (built from ssh://enevill@hg.openjdk.java.net/aarch64-port/jdk8u) and jdk9 (built from ssh://enevill@hg.openjdk.java.net/jdk9/hs-comp).

        This crash only occurs on Partner X hardware.

        Prebuilt binaries which exhibit the problem may be downloaded from

        http://openjdk.linaro.org/releases/jdk8u-server-release-1509.tar.xz

        http://openjdk.linaro.org/releases/jdk9-server-release-1508.tar.xz

        A sample hs_err log is attached below.

        This only occurs with UseParallelGC so it happens by default with jdk8 but only happens with jdk9 with -XX:+UseParallelGC

        The frequency of the crash is about one in 10 runs.

        The command used to invoke specjbb2013 is

        java -Xmx50g -Xms50g -Xmn40g -Dspecjbb.forkjoin.workers=48 -jar specjbb2013.jar -m COMPOSITE

        (note: if using jdk9 you also need -XX:+UseParallelGC to observe the problem)

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                • Assignee:
                  aph Andrew Haley
                  Reporter:
                  enevill Ed Nevill
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                  Dates

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                    Created:
                    Updated:
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                    Time Tracking

                    Estimated:
                    Original Estimate - 2 weeks, 4 days
                    2w 4d
                    Remaining:
                    Remaining Estimate - 2 weeks, 4 days
                    2w 4d
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